接口性能测试--JMeter转自：http://my.oschina.net/flynewton/blog/11869关键字：?JMeter?,Java请求?,Java s
接口性能测试--JMeter
转自：http://my.oschina.net/flynewton/blog/11869关键字：?JMeter?,Java请求?,Java sampler?,接口性能测试
主要内容有：
1.JMeter Java Sampler介绍
2.多接口性能测试
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1.JMeter Java Sampler介绍
setupTest做些初始化的工作，每个线程只执行一次
teardownTest做些清理工作，每个线程只执行一次
runTest具体的测试执行工作，每个并发每次循环都将执行一次
SampleResult记录测试结果，result.sampleStart()一个事务开始，result.sampleEnd()一个事务结束
main方法用于调试
01??package??com?.?xxx?.?yyy?.?perf;?
02??
03??import??org.apache.jmeter.config.Argument;?
04??import??org.apache.jmeter.config.Arguments;?
05??import??org.apache.jmeter.protocol.java.sampler.AbstractJavaSamplerClient;?
06??import??org.apache.jmeter.protocol.java.sampler.JavaSamplerContext;?
07??import??org.apache.jmeter.samplers.SampleResult;?
08??import??org.springframework.context.ApplicationContext;?
09??import??org.springframework.context.support.ClassPathXmlApplicationContext;?
10??
11??import??com.xxx.udb.client.PersonService;?
12??import??com.xxx.udb.client.result.PersonResult;?
13??
14??/**?
15??*??
16??* @author flynewton17??*/?
18??public??class??GetPersonByLongId??extends??AbstractJavaSamplerClient??{?
19??????private??static??final??ApplicationContext??ctx??=??new?ClassPathXmlApplicationContext(?
20??????????????"spring-udb.xml");?
21??????private??static??PersonService??personService??=??null;?
22??????private??static??final??String??loginId??=??"00000sb";?
23??????private??static??final??String??siteId??=??"CN";?
24??
25??
26??????@Override?
27??????public??void??setupTest(?JavaSamplerContext??context)??{?
28??????????super?.?setupTest(?context);?
29??????????personService??=?(?PersonService)??ctx?.?getBean(?"personServiceClient");?
30??????}?
31??
32??????@Override?
33??????public??void??teardownTest(?JavaSamplerContext??context)??{?
34??????????super?.?teardownTest(?context);?
35??????}?
36??
37??????public??SampleResult??runTest(?JavaSamplerContext??arg0)??{?
38??????????SampleResult??result??=??new??SampleResult();?
39??????????PersonResult??personResult??=??null;?
40??????????
41??????????result?.?setSampleLabel(?"result");?
42??????????
43??????????try??{?
44??????????????result?.?sampleStart();?
45??????????????personResult??=??personService?.?getPersonByLongId(?siteId?,??loginId);?
46??????????????result?.?sampleEnd();?
47??????????}??catch?(?Throwable??t)??{?
48??????????????this?.?getLogger?().?error(?"Exception:"??+??t);?
49??????????????return??null;?
50??????????}?
51??????????
52??????????if?(?personResult??!=??null??&&??personResult?.?getCode()??==??0)??{?
53??????????????result?.?setSamplerData(?personResult?.?toString());?
54??????????????result?.?setSuccessful(?true);?
55??????????}??else??{?
56??????????????result?.?setSuccessful(?false);?
57??????????}?
58??????????
59??????????return??result;?
60??????}?
61??
62??????static??void??printResult(?SampleResult??res)??{?
63??????????System?.?out?.?println(?"test is success:"??+??res?.?isSuccessful()??+??" used:"?
64??????????????????+?(?res?.?getEndTime()??-??res?.?getStartTime())??+??"ms "??+??" result:"?
65??????????????????+??res?.?getSampleLabel()??+??":"??+??res?.?getSamplerData());?
66??????}?
67??
68??????public??static??void??main(?String?[]??args)??{?
69??????????GetPersonByLongId??service??=??new??GetPersonByLongId();?
70??????????JavaSamplerContext??context??=??new??JavaSamplerContext(?null);?
71??????????service?.?setupTest(?context);?
72??????????SampleResult??res1??=??service?.?runTest(?context);?
73??????????printResult(?res1);?
74??????????service?.?teardownTest(?context);?
75??????????System?.?exit(?0);?
76??????}?
77??
78??}
?
2.多接口性能测试
按照上面的方法进行测试，每个需要测试的接口和场景都需要写一个这样的测试类，对于有些具有相似初始化，清理等工作，只有具体的那行事务代码不一样的情况，会有很多重复的工作。如下：
可以考虑采用反射的方式来解决这个问题，尤其是业务非常类似的接口和场景。当然，反射会带来压力机的性能消耗，但是这个可以通过调整JMeter的JVM参数和增加JMeter实例来解决。
1)利用反射后的结构如下：
?
2)AbstractServiceClient是一个抽象基类16??package??com?.?xxx?.?yyy?.?perf?.?base;?
17??
18??import??java.lang.reflect.Method;?
19??
20??import??org.apache.jmeter.protocol.java.sampler.AbstractJavaSamplerClient;?
21??import??org.apache.jmeter.protocol.java.sampler.JavaSamplerContext;?
22??import??org.apache.jmeter.samplers.SampleResult;?
23??
24??/**?
25??* Comment of AbstractServiceClient?
26??*??@author flynewton?
27??*/?
28??
29??public??abstract??class??AbstractServiceClient??extends??AbstractJavaSamplerClient?{?
30??
31??????public??Object??invokeTest(?String??testName?,??JavaSamplerContext??context?,SampleResult??sample)??{?
32??????????Method?[]??methods??=??this?.?getClass?().?getMethods();?
33??????????for?(?Method??m??:??methods)??{?
34??????????????if?(?m?.?getName?().?equalsIgnoreCase(?testName))??{?
35??????????????????try??{?
36??????????????????????return??m?.?invoke(?this?,??context?,?sample);?
37??????????????????}??catch?(?Throwable??t)??{?
38??????????????????????this?.?getLogger?().?error(?"execute method:"??+??testName??+??" falied"?,??t);?
39??????????????????}?
40??????????????}?
41??
42??????????}?
43??????????return??null;?
44??????}?
45??}3)GetPersonTest为某一类具有相似业务场景的测试类其中?getDefaultParameters方法设置默认参数：test传入具体要执行的测试方法；info传入日志级别，利用main方法进行调试时设置为true，真正进行性能测试的时候设置为false
016??package??com?.?xxx?.?yyy?.?perf;?
017??
018??import??org.apache.jmeter.config.Argument;?
019??import??org.apache.jmeter.config.Arguments;?
020??import??org.apache.jmeter.protocol.java.sampler.JavaSamplerContext;?
021??import??org.apache.jmeter.samplers.SampleResult;?
022??import??org.springframework.context.ApplicationContext;?
023??import??org.springframework.context.support.ClassPathXmlApplicationContext;?
024??
025??import??com.xxx.udb.client.PersonService;?
026??import??com.xxx.udb.client.result.MultiPersonResult;?
027??import??com.xxx.udb.client.result.PersonResult;?
028??import??com.xxx.udb.perf.base.AbstractServiceClient;?
029??
030??/**?
031??* Test get person?
032??* @author flynewton?
033??*/?
034??public??class??GetPersonTest??extends??AbstractServiceClient??{?
035??????private??static??final??ApplicationContext??ctx??=??new?ClassPathXmlApplicationContext(?
036??????????????"spring-udb.xml");?
037??????private??static??PersonService??personService??=??null;?
038??????private??static??String??loginIdCache??=??"00000sb";?
039??????private??static??String??loginIdWithoutCache??=??"01haytham";?
040??????private??static??String??siteIdCache??=??"CN";?
041??????private??static??String??siteIdWithoutCache??=??"IN";?
042??????private??static??String??alimailCn??=??"gchg2008@zzgcchen.cn";?
043??????private??static??String??alimailUdb??=??"000001@lvcuinm.com.cn";?
044??????private??static??String??uidCache??=??"300113578";?
045??????private??static??String??uidWithoutCache??=??"in5002997";?
046??????private??static??String??emailCache??=??"00000sb@alibaba-test.com";?
047??????private??static??String??emailWithoutCache??=??"5002997@alibaba-inc.com";?
048??
049??????@Override?
050??????public??void??setupTest(?JavaSamplerContext??context)??{?
051??????????super?.?setupTest(?context);?
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